87831128

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{20369}}^1$

素因数の和:20400

約数の個数: 48

約数和(自身を含む): 208996200

約数和(自身を除く): 121165072

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 20369, 40738, 81476, 142583, 162952, 224059, 285166, 448118, 570332, 896236, 998081, 1140664, 1568413, 1792472, 1996162, 3136826, 3992324, 6273652, 7984648, 10978891, 12547304, 21957782, 43915564, 87831128]

約数ペア:

[(1, 87831128), (2, 43915564), (4, 21957782), (7, 12547304), (8, 10978891), (11, 7984648), (14, 6273652), (22, 3992324), (28, 3136826), (44, 1996162), (49, 1792472), (56, 1568413), (77, 1140664), (88, 998081), (98, 896236), (154, 570332), (196, 448118), (308, 285166), (392, 224059), (539, 162952), (616, 142583), (1078, 81476), (2156, 40738), (4312, 20369)]